mt76x02: improve mac error check/reset reliability

On AP mode devices, check beacon tx counters to detect MAC errors.
When an error is detected, stop the MAC before resetting it

Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: fix iv and CCMP header insertion

The iv from RXD is only for TKIP_RSC/CCMP_PN/GCMP_PN, and it needs a
check for CCMP header insertion. Move mt76_cipher_type to mt76.h to
reduce duplicated code.

Signed-off-by: Xing Song <xing.song@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt76x02: simplify led reg definitions

Rely on FIELD_PREP macro for led register definitions and
remove open coding

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: switch to SPDX tag instead of verbose boilerplate text

No functional change intended.

Add SPDX identifiers to all remaining files in /mt76.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt76x02: fix some checkpatch warnings

This fixes the following checkpatch warnings:

ERROR: code indent should use tabs where possible
CHECK: Alignment should match open parenthesis
CHECK: No space is necessary after a cast
CHECK: Please don't use multiple blank lines
CHECK: Avoid precedence issues in macro
WARNING: Statements should start on a tabstop
WARNING: Unnecessary space before function pointer arguments

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: mt76x0: fix RF frontend initialization for external PA

When loading EEPROM data from flash, the RF frontend settings need to be
initialized from flash data. Without this, the chip loads the wrong values
from its internal eFuse ROM.

Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76x02: add hrtimer for pre TBTT for USB

Add timer and work for pre TBTT for USB devices. For now code
doesn't do anyting useful, just add hrtimer which synchronize
with hardware MT_TBTT_TIMER.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: add led support to mt76x0e driver

Move mt76x02 led support in mt76x02-lib module in order to
add tpt led trigger to mt76x0e driver

Tested-by: LGA1150 <dqfext@gmail.com>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: add energy detect CCA support to mt76x{0,2}e drivers

Ported from the reference driver. Should fix compliance with ETSI
regulatories on preventing transmission while energy detect values
are above the threshold.
The code has been tested using an ath9k device running tx99 as
noise generator

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76x02: set protection according to ht operation element

Configure protection based on information that are provided to
us either by remote AP or by hostapd via HT operation IE.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76x02: fixup MT_PROT_RATE_* defines

On new mt76 chips, phy mode is configured by last 3 bits
of rate value. Hence OFDM bit is marked by 0x2000
instead of 0x4000.

Acked-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76x0: correct RF access via RF_CSR register.

PCIe version don't use MCU for RF registers access. We need
to correct RF CSR method to support up to 127 RF registers.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

mt76: merge mt76x0/regs.h into mt76x02_regs.h

Add missed definitions for mt76x0 into mt76x02_regs.h. Remove
mt76x0/regs.h and fixup mt76x0 code to adjust to some diffrent
registers/fields names.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

mt76: rename mt76x2_regs.h

MAC registers are the same for mt76x0 and mt76x2. Rename mt76x2_regs.h
file to reflect that.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>